28690816

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 45336704

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 56, 64, 71, 77, 82, 88, 112, 128, 142, 154, 164, 176, 224, 284, 287, 308, 328, 352, 448, 451, 497, 568, 574, 616, 656, 704, 781, 896, 902, 994, 1136, 1148, 1232, 1312, 1408, 1562, 1804, 1988, 2272, 2296, 2464, 2624, 2911, 3124, 3157, 3608, 3976, 4544, 4592, 4928, 5248, 5467, 5822, 6248, 6314, 7216, 7952, 9088, 9184, 9856, 10934, 11644, 12496, 12628, 14432, 15904, 18368, 20377, 21868, 23288, 24992, 25256, 28864, 31808, 32021, 36736, 40754, 43736, 46576, 49984, 50512, 57728, 63616, 64042, 81508, 87472, 93152, 99968, 101024, 128084, 163016, 174944, 186304, 202048, 224147, 256168, 326032, 349888, 372608, 404096, 448294, 512336, 652064, 699776, 896588, 1024672, 1304128, 1793176, 2049344, 2608256, 3586352, 4098688, 7172704, 14345408, 28690816]

約数ペア:

[(1, 28690816), (2, 14345408), (4, 7172704), (7, 4098688), (8, 3586352), (11, 2608256), (14, 2049344), (16, 1793176), (22, 1304128), (28, 1024672), (32, 896588), (41, 699776), (44, 652064), (56, 512336), (64, 448294), (71, 404096), (77, 372608), (82, 349888), (88, 326032), (112, 256168), (128, 224147), (142, 202048), (154, 186304), (164, 174944), (176, 163016), (224, 128084), (284, 101024), (287, 99968), (308, 93152), (328, 87472), (352, 81508), (448, 64042), (451, 63616), (497, 57728), (568, 50512), (574, 49984), (616, 46576), (656, 43736), (704, 40754), (781, 36736), (896, 32021), (902, 31808), (994, 28864), (1136, 25256), (1148, 24992), (1232, 23288), (1312, 21868), (1408, 20377), (1562, 18368), (1804, 15904), (1988, 14432), (2272, 12628), (2296, 12496), (2464, 11644), (2624, 10934), (2911, 9856), (3124, 9184), (3157, 9088), (3608, 7952), (3976, 7216), (4544, 6314), (4592, 6248), (4928, 5822), (5248, 5467)]